Page 75 of 610
SPEC
2 - 2
GENERAL SPECIFICATIONS
Oil type or grade:
Engine oil (For USA and CDN)
At –10 ˚C (10 ˚F) or higher Å
Yamalube 4 (10W-30) or SAE 10W-30 type
SE motor oil
At 5 ˚C (40 ˚F) or higher ı
Yamalube 4 (20W-40) or SAE 20W-40 type
SE motor oil
(Except for USA and CDN)
API “SE” or higher grade
Oil capacity:
Engine oil
Periodic oil change 1.0 L (0.88 Imp qt, 1.06 US qt)
Total amount 1.2 L (1.06 Imp qt, 1.27 US qt)
Air filter: Wet type element
Fuel:
Type Unleaded gasoline only (USA, AUS, NZ)
Regular unleaded gasoline only
(CDN, EUROPE)
Regular gasoline (ZA)
Tank capacity 6.6 L (1.45 Imp gal, 1.74 US gal)
Reserve amount 1.9 L (0.42 Imp gal, 0.5 US gal)
Carburetor:
Type VM20SS
Manufacturer MIKUNI
Spark plug:
Type CR7HSA/U22FSR-U
Manufacturer NGK/DENSO
Gap 0.6 ~ 0.7 mm (0.02 ~ 0.03 in)
Clutch type: Wet, multiple-disc
2
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SPEC
2 - 3
GENERAL SPECIFICATIONS
Transmission:
Primary reduction system Gear
Primary reduction ratio 68/19 (3.579)
Secondary reduction system Chain drive
Secondary reduction ratio 49/13 (3.769)
Transmission type Constant mesh, 5-speed
Operation Left foot operation
Gear ratio: 1st 37/14 (2.643)
2nd 32/18 (1.778)
3rd 25/19 (1.316)
4th 23/22 (1.045)
5th 21/24 (0.875)
Chassis:
Frame type Diamond
Caster angle 28.7˚
Trail 93 mm (3.66 in)
Tire:
Type With tube
Size (front) 70/100-17 40M
Size (rear) 90/100-14 49M
Manufacturer (front and rear) CHENG SHIN
Tire pressure (front and rear) 100 kPa (1.00 kgf/cm
2, 15 psi)
Brake:
Front brake type Drum brake
Operation Right hand operation
Rear brake type Drum brake
Operation Right foot operation
Suspension:
Front suspension Telescopic fork
Rear suspension Swingarm (link type monocross suspension)
Shock absorber:
Front shock absorber Coil spring/oil damper
Rear shock absorber Coil spring/gas, oil damper
Wheel travel:
Front wheel travel 180 mm (7.09 in)
Rear wheel travel 160 mm (6.30 in)
Electrical:
Ignition system CDI
Generator system (TT-R125E) CDI magneto
Battery type (TT-R125E) GT4L-BS
Battery voltage/capacity (TT-R125E) 12 V/3.2 AH
Specific gravity (TT-R125E) 1.320
Page 78 of 610
SPEC
2 - 5
GENERAL SPECIFICATIONS
Oil type or grade:
Engine oil (For USA and CDN)
At –10 ˚C (10 ˚F) or higher Å
Yamalube 4 (10W-30) or SAE 10W-30 type
SE motor oil
At 5 ˚C (40 ˚F) or higher ı
Yamalube 4 (20W-40) or SAE 20W-40 type
SE motor oil
(Except for USA and CDN)
API “SE” or higher grade
Oil capacity:
Engine oil
Periodic oil change 1.0 L (0.88 Imp qt, 1.06 US qt)
Total amount 1.2 L (1.06 Imp qt, 1.27 US qt)
Air filter: Wet type element
Fuel:
Type Unleaded gasoline only (USA, AUS, NZ)
Regular unleaded gasoline only
(CDN, EUROPE)
Regular gasoline (ZA)
Tank capacity 6.6 L (1.45 Imp gal, 1.74 US gal)
Reserve amount 1.9 L (0.42 Imp gal, 0.5 US gal)
Carburetor:
Type VM20SS
Manufacturer MIKUNI
Spark plug:
Type CR7HSA/U22FSR-U
Manufacturer NGK/DENSO
Gap 0.6 ~ 0.7 mm (0.02 ~ 0.03 in)
Clutch type: Wet, multiple-disc
Page 79 of 610

SPEC
2 - 6
GENERAL SPECIFICATIONS
Transmission:Primary reduction system Gear
Primary reduction ratio 68/19 (3.579)
Secondary reduction system Chain drive
Secondary reduction ratio 54/13 (4.154)
Transmission type Constant mesh, 5-speed
Operation Left foot operation
Gear ratio: 1st 37/14 (2.643) 2nd 32/18 (1.778)
3rd 25/19 (1.316)
4th 23/22 (1.045)
5th 21/24 (0.875)
Chassis: Frame type Diamond
Caster angle 28.5 ˚
Trail 107 mm (4.21 in)
Tire: Type With tube
Size (front) 70/100-19 42M
Size (rear) 90/100-16 52M
Manufacturer (front and rear) IRC
Tire pressure (front and rear) 100 kPa (1.00 kgf/cm
2, 15 psi)
Brake: Front brake type Single disc brake
Operation Right hand operation
Rear brake type Drum brake
Operation Right foot operation
Suspension: Front suspension Telescopic fork
Rear suspension Swingarm (link type monocross suspension)
Shock absorber: Front shock absorber Coil spring/oil damper
Rear shock absorber Coil spring/gas, oil damper
Wheel travel: Front wheel travel 180 mm (7.09 in)
Rear wheel travel 168 mm (6.61 in)
Electrical: Ignition system CDI
Generator system (TT-R125LWE) CDI magneto
Battery type (TT-R125LWE) GT4L-BS
Battery voltage/capacity (TT-R125LWE) 12 V/3.2 AH
Speci fic gravity (TT-R125LWE) 1.320
Page 88 of 610

SPEC
2 - 15
MAINTENANCE SPECIFICATIONS
EC212201
CHASSIS
TT-R125/TT-R125E
Item Standard Limit
Steering system:
Steering bearing type (upper) Angular bearing ----
(lower) Taper roller bearing ----
Front suspension:
Front fork travel 180 mm (7.09 in) ----
Fork spring free length 327 mm (12.87 in) 322 mm (12.68 in)
Spring rate, STD K = 3.00 N/mm
(0.310 kg/mm, 17.4 lb/in)----
Optional spring/spacer No ----
Oil capacity 159 cm
3
(5.60 Imp oz, 5.38 US oz)----
Oil level 122 mm (4.80 in) ----
Oil grade Fork oil 10W or equivalent ----
Inner tube outer diameter 30 mm (1.18 in) ----
Front fork top end Zero mm (Zero in) ----
Rear suspension:
Shock absorber travel 65 mm (2.56 in) ----
Spring free length (TT-R125) 175 mm (6.89 in) ----
(TT-R125E) 178 mm (7.01 in) ----
Fitting length 165 mm (6.50 in) ----
Spring rate, STD (TT-R125) K = 48.1 N/mm
(4.9 kg/mm, 274 lb/in)----
(TT-R125E) K = 50.5 N/mm
(5.1 kg/mm, 286 lb/in)----
Optional spring No ----
Enclosed gas pressure 1,500 kPa
(15 kg/cm
2, 213 psi)----
Wheel:
Front wheel type Spoke wheel ----
Rear wheel type Spoke wheel ----
Front rim size/material 17 × 1.40/Steel ----
Rear rim size/material 14 × 1.60/Steel ----
Rim runout limit:
Radial ---- 2.0 mm (0.08 in)
Lateral ---- 2.0 mm (0.08 in)
Drive chain:
Type/manufacturer DID428HD/DAIDO ----
Number of links 116 links ----
Chain slack 35 ~ 50 mm (1.4 ~ 2.0 in) ----
Chain length (10 links) ----121.4 mm
(4.78 in)
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SPEC
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MAINTENANCE SPECIFICATIONS
TT-R125LW/TT-R125LWEItem Standard Limit
Steering system: Steering bearing type (upper) Angular bearing ---- (lower) Taper roller bearing ----
Front suspension: Front fork travel 180 mm (7.09 in) ----
Fork spring free length (TT-R125LW) 339 mm (13.35 in) 334 mm (13.15 in)
(TT-R125LWE) 453.6 mm (17.86 in) 448.6 mm (17.66 in)
Spring rate, STD K = 3.20 N/mm (0.330 kg/mm, 18.5 lb/in)----
Optional spring/spacer No ----
Oil capacity (TT-R125LW) 156 cm
3
(5.49 Imp oz, 5.27 US oz) ----
(TT-R125LWE) 158 cm
3
(5.56 Imp oz, 5.34 US oz) ----
Oil level (TT-R125LW) 130 mm (5.12 in) ---- (TT-R125LWE) 125 mm (4.92 in) ----
Oil grade Fork oil 10W or equivalent ----
Inner tube outer diameter 30 mm (1.18 in) ----
Front fork top end Zero mm (Zero in) ----
Rear suspension:
Shock absorber travel 65 mm (2.56 in) ----
Spring free length (TT-R125LW) 178 mm (7.01 in) ---- (TT-R125LWE) 170.5 mm (6.71 in) ----
Fitting length (TT-R125LW) 165 mm (6.50 in) ---- (TT-R125LWE) 160.5 mm (6.32 in) ----
Spring rate, STD (TT-R125LW) K = 58.9 N/mm
(6.0 kg/mm, 336 lb/in) ----
(TT-R125LWE) K = 61.8 N/mm
(6.3 kg/mm, 352 lb/in) ----
Optional spring No ----
Enclosed gas pressure (TT-R125LW) 1,500 kPa (15 kg/cm
2, 213 psi)----
(TT-R125LWE) 1,500 kPa
(15 kg/cm
2, 213 psi) ----
Wheel: Front wheel type Spoke wheel ----
Rear wheel type Spoke wheel ----
Front rim size/material 19 × 1.40/Steel ----
Rear rim size/material 16 × 1.60/Steel ----
Rim runout limit: Radial ---- 2.0 mm (0.08 in)
Lateral ---- 2.0 mm (0.08 in)